CVE-2021-37079 Path traversal in HarmonyOS
An attacker with system_app permission can delete arbitrary files on Huawei HarmonyOS devices due to improper input validation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-37079?
CVE-2021-37079 is a critical path traversal vulnerability in Huawei Harmonyos, published on 7 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
There is a Improper Input Validation vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may lead to delete arbitrary file by system_app permission.
Weakness: CWE-94
Which versions are affected by CVE-2021-37079?
It affects 1 product.
Products include Huawei Harmonyos.
How do I fix CVE-2021-37079?
No fix has been published for CVE-2021-37079 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2021-37079 being exploited?
There is no known exploitation of CVE-2021-37079 in the wild and no public exploit code.
Other vulnerabilities in Huawei Harmonyos
Sources
Also known as GHSA-hr74-2257-g4wm.